Several classic songs with whistle tones

Unintentionally found that in many songs I recently like to listen to, the performance of dolphin sound is added, which is extremely cool. I can also be said to have contacted dolphin sound pretty late. In my sophomore year, a guy who slept diagonally opposite me introduced some songs by Vitas. At that time, I didn't catch a cold (didn't dislike it), but just felt very amazed. Such a high voice, 5 octaves! Later, I didn't pay attention to it until after I heard Jane Zhang's "Loving You", then I became very interested in dolphin sound. Until now, I have also listened to a lot of good songs. Today, I will recommend some songs that I have been listening to recently.